Integration of satellite-based optical and synthetic aperture radar imagery to estimate winter cover crop performance in cereal grasses
Jyoti Jennewein, Brian T. Lamb, W. Dean Hively, Alison Thieme, Resham Thapa, Avi Goldsmith, Phillip Dennison
2022, Remote Sensing (14)
The magnitude of ecosystem services provided by winter cover crops is linked to their performance (i.e., biomass and associated nitrogen content, forage quality, and fractional ground cover), although few studies quantify these characteristics across the landscape. Remote sensing can produce landscape-level assessments of cover crop performance. However,...
Determination of recharge areas that supply decades old groundwater to creeks inhabited by the threatened Okaloosa darter
James E. Landmeyer, W. Scott McBride, William B. Tate
2022, Hydrology (9)
The Okaloosa darter (Etheostoma okaloosae) is a diminutive, perch-like, benthic fish that inhabits only six small, clear, and shallow creek systems that flow almost entirely within Eglin Air Force Base in the panhandle of northwest Florida. Listed as Endangered by the U.S. Fish and Wildlife Service (USFWS) in 1973,...
Rock-to-metal ratio: A foundational metric for understanding mine wastes
Nedal T. Nassar, Graham W. Lederer, Jamie L. Brainard, Abraham J. Padilla, Joseph D. Lessard
2022, Environmental Science & Technology (56) 6710-6721
The quantity of ore mined and waste rock (i.e., overburden or barren rock) removed to produce a refined unit of a mineral commodity, its rock-to-metal ratio (RMR), is an important metric for understanding mine wastes and environmental burdens. In this analysis, we provide a comprehensive examination of RMRs for 25...
Prairie wetlands as sources or sinks of nitrous oxide: Effects of land use and hydrology
Brian Tangen, Sheel Bansal
2022, Agricultural and Forest Meteorology (320)
National and global greenhouse gas (GHG) budgets are continually being refined as data become available. Primary sources of the potent GHG nitrous oxide (N2O) include agricultural soil management and burning of fossil fuels, but comprehensive N2O budgets also incorporate less prominent factors such as wetlands. Freshwater wetland GHG flux estimates,...
Assessing placement bias of the global river gauge network
Corey Krabbenhoft, George Allen, Peirong Lin, Sarah E Godsey, Daniel Allen, Ryan Burrows, Amanda DelVecchia, Ken M. Fritz, Margaret Shanafield, Amy J. Burgin, Margaret Zimmer, Thibault Datry, Walter K. Dodds, C. Nathan Jones, Meryl Mimms, Catherin Franklin, John C. Hammond, Samuel Zipper, Adam S Ward, Katie H. Costigan, Hylke Beck, Julian D. Olden
2022, Nature Sustainability (5) 586-592
Knowing where and when rivers flow is paramount to managing freshwater ecosystems. Yet stream gauging stations are distributed sparsely across rivers globally and may not capture the diversity of fluvial network properties and anthropogenic influences. Here we evaluate the placement bias of a global stream gauge dataset on its representation...
Plant community context controls short- vs. medium-term effects of pre-emergent herbicides on target and non-target species after fire
Brynne E. Lazarus, Matthew J. Germino
2022, Applied Vegetation Science (25)
Questions: Selective herbicide application is a common restoration strategy to control exotic invaders that interfere with native plant recovery after wildfire. Whether spraying with preemergent or bioherbicides releases native plants from competition with exotics (“spray-and-release” strategy) and can make communities resistant to re-invasion by exotic annual grasses (e.g., cheatgrass, medusahead), without...
Washington and Landsat
U.S. Geological Survey
2022, Fact Sheet 2022-3021
Washington is a State of untamed wonders, from its ruggedly beautiful coastline to the volcanic peaks of the Cascades. “The Evergreen State” is also a State of contrasts, home to rainforests west of the Cascades and deserts to the east. Half of Washington is forested, and its orchards grow more...
Interaction between climate and tectonics in the northern Lesser Antilles inferred from the last interglacial shoreline on Barbuda island
Jennifer Weil-Accardo, Nathalie Feuillet, Belle E. Philibosian, Abel Guihou, Eric Jacques, Guy Cabioch, Andre Anglade, Anne-Sophie Meriaux, Pierre Deschamps
2022, Geochemistry, Geophysics, Geosystems (23)
In the context of increasing evidence of plate interface coupling variability in subduction zones, there is a need to extend the short time window given by instrumental data and to gather data over multiple time and spatial scales. We hence investigated the long-term topography on Barbuda...
Globally, tree fecundity exceeds productivity gradients
Valentin Journe, Robert A. Andrus, Marie-Claire Aravena Acuna, Davide Ascoli, Roberta Berretti, Daniel Berveiller, Michal Bogdziewicz, Thomas Boivin, Raul Bonal, Thomas Caignard, Rafael Calama, J. Julio Camarero, Chia-Hao Chang-Yang, Benoit Courbaud, Francois Courbet, Thomas Curt, Adrian Das, Evangelia Daskalakou, Hendrik Davi, Nicolas Delpierre, Sylvain Delzon, Michael Dietze, Sergio Donoso Calderon, Laurent Dormont, Josep Maria Espelta, Timothy J. Fahey, William Farfan-Rios, Catherine A. Gehring, Gregory S. Gilbert, Georg Gratzer, Cathryn H. Greenberg, Qinfeng Guo, Andrew Hacket-Pain, Arndt Hampe, Qingmin Han, Janneke Hille Ris Lambers, Kazuhiko Hoshizaki, Ines Ibanez, Jill F. Johnstone, Daisuke Kabeya, Roland Kays, Thomas Kitzberger, Johannes M. H. Knops, Richard K. Kobe, Georges Kunstler, Jonathan G. A. Lageard, Jalene M. LaMontagne, Theodor Leininger, Jean-Marc Limousin, James A. Lutz, Diana Macias, Eliot J. B. McIntire, Christopher M. Moore, Emily V. Moran, Renzo Motta, Jonathan A. Myers, Thomas A. Nagel, Kyotaro Noguchi, Jean-Marc Ourcival, Robert Parmenter, Ian Pearse, Ignacio M. Perez-Ramos, Lukasz Piechnik, John Poulsen, Renata Poulton-Kamakura, Tong Qiu, Miranda D. Redmond, Chantal D. Reid, Kyle C. Rodman, Francisco Rodriguez-Sanchez, Javier D Sanguinetti, C. Lane Scher, Harald Schmidt Van Marle, Barbara Seget, Shubhi Sharma, Miles Silman, Michael A. Steele, Nathan L. Stephenson, Jacob N. Straub, Jennifer J. Swenson, Margaret Swift, Peter A. Thomas, Maria Uriarte, Giorgio Vacchiano, Thomas T. Veblen, Amy V. Whipple, Thomas G. Whitham, Boyd Wright, S. Joseph Wright, Kai Zhu, Jess K. Zimmerman, Roman Zlotin, Magdalena Zywiec, James S. Clark
2022, Ecology Letters (25) 1471-1482
Lack of tree fecundity data across climatic gradients precludes the analysis of how seed supply contributes to global variation in forest regeneration and biotic interactions responsible for biodiversity. A global synthesis of raw seedproduction data shows a 250-fold increase in seed abundance from cold-dry to warm-wet climates, driven primarily by...
A suction pump sampler for invertebrate drift detects exceptionally high concentrations of small invertebrates that drift nets miss
Jason R. Neuswanger, Erik R. Schoen, Mark S. Wipfli, Carol J. Volk, James W. Savereide
2022, Hydrobiologia (849) 2077-2089
Invertebrate drift is a key process in riverine ecosystems controlling aquatic invertebrate movement, distribution, and availability to fish as prey. However, accurately sampling drift across a wide range of invertebrate sizes is difficult because small invertebrates slip through coarse-mesh drift nets, and fine mesh clogs more easily, which reduces filtration...
A framework to integrate innovations in invasion science for proactive management
Charles B. van Rees, Brian K. Hand, Sean C. Carter, Charles Bargeron, Timothy Joseph Cline, Wesley M. Daniel, Jason A. Ferrante, Keith Gaddis, Margaret E. Hunter, Catherine S. Jarnevich, Melodie A. McGeoch, Jeffrey T. Morisette, Matthew E. Neilson, Helen E. Roy, Mary Ann Rozance, Adam Sepulveda, Rebekah D. Wallace, Diane Whited, Taylor Wilcox, John S. Kimball, Gordon Luikart
2022, Biological Reviews (97) 1712-1735
Invasive alien species (IAS) are a rising threat to biodiversity, national security, and regional economies, with impacts in the hundreds of billions of U.S. dollars annually. Proactive or predictive approaches guided by scientific knowledge are essential to keeping pace with growing impacts of invasions under climate change. Although the rapid...
Defining oyster resource zones across coastal Louisiana for restoration and aquaculture
Lauren M. Swam, Brady Couvillion, Brian Callam, Jerome F. La Peyre, Megan K. La Peyre
2022, Ocean and Coastal Management (225)
Eastern oysters (Crassostrea virginica) are a critical ecological and commercial resource in the northern Gulf of Mexico facing changing environmental conditions from river management and climate change. In Louisiana, USA, development of restored reefs, and off-bottom aquaculture would benefit from the identification of locations supportive of sustainable oyster populations (i.e., metapopulations) and high consistent production. This...
Golden Eagle (Aquila chysaetos)
David Wiens, Patrick Kolar, Douglas A. Bell
2022, Book chapter, NatureCheck: Understanding wildlife health on East Bay lands in Alameda and Contra Costa Counties
The golden eagle (Aquila chrysaetos) is commonly recognized as an indicator of ecosystem health and was selected as an important indicator species for the ecological health of lands owned and managed by East Bay Stewardship Network (Network) partner agencies within the area of focus for this project (See map, Chapter...
A novel herpesvirus detected in 3 different species of chelonians
John M. Winter, James F. X. Wellehan, Kathleen Apakupakul, Jamie Palmer, Maris Brenn-White, Kali Standorf, Kristin H. Berry, April L. Childress, Pete Koplos, Michael M. Garner, Sharon L. Deem
2022, Journal of Veterinary Diagnostic Investigation (34) 594-601
Herpesviruses are found in free-living and captive chelonian populations, often in association with morbidity and mortality. To date, all known chelonian herpesviruses fall within the subfamily Alphaherpesvirinae. We detected a novel herpesvirus in 3 species of chelonians: a captive leopard tortoise (Stigmochelys pardalis) in western TX, USA; a steppe tortoise (Testudo [Agrionemys] horsfieldii)...
Final Report: Predicting impacts to mule deer of changing forage using landscape surface phenology metrics
Tabitha A. Graves
2022, Report
No abstract available....
Complex magmatic-tectonic interactions during the 2020 Makushin Volcano, Alaska, earthquake swarm
Federica Lanza, Diana Roman, John Power, Clifford H. Thurber, Thomas Hudson
2022, Earth and Planetary Science Letters (587)
On June 15, 2020, at 21:16 UTC, a locally-felt earthquake of magnitude 4.2 struck Unalaska Island, Alaska, ∼15 km west of the town of Unalaska and the large fishing port of Dutch Harbor. The event was followed by a M4.1 earthquake at 00:34 UTC and several M3+ aftershocks, initiating a prolific...
Integrating Earth–life systems: A geogenomic approach
Greer A. Dolby, Scott E.K. Bennett, Rebecca J. Dorsey, Maya Stokes, Brett R. Riddle, Andres Lira-Noriega, Adrian Munguia-Vega, Benjamin T. Wilder
2022, Trends in Ecology & Evolution (37) 371-384
For centuries, scientists have recognized and worked to understand how Earth’s mutable landscape and climate shape the distribution and evolution of species. Here, we describe the emerging field of geogenomics, which uses the reciprocal and deep integration of geologic, climatic, and population genomic data to define...
The North American Freshwater Migratory Fish Database (NAFMFD): Characterizing the migratory life histories of freshwater fishes of Canada, the United States and Mexico
Emily M. Dean, Arthur R. Cooper, Lizhu Wang, Wesley M. Daniel, Solomon David, Clayton Ernzen, Keith B. Gido, Edward Hale, Tim J. Haxton, William Kelso, Nancy J. Leonard, Chris Lido, Joseph Margraf, Michael D. Porter, Casey A. Pennock, David L. Propst, Jared Ross, Michelle Staudinger, Dana M. Infante, Gary Whelan
2022, Journal of Biogeography (49) 1193-1203
AimMigratory freshwater fishes are those that must access discrete habitats to complete their life cycles. Freshwater fish migrations occur around the world and provide numerous ecosystem services for humans and natural systems; however, many migratory species are in decline globally. A limiting factor to successfully conserve freshwater...
Topographic controls on ice flow and recession for Juneau Icefield (Alaska/British Columbia)
Bethan Davies, Jacob Bendle, Jonathan Carrivick, Robert McNabb, Christopher J. McNeil, Mauri Pelto, Seth Campbell, Tom Holt, Jeremy Ely, Bradley Markle
2022, Earth Surfaces Processes and Landforms (47) 2357-2390
Globally, mountain glaciers and ice caps are losing dramatic volumes of ice. The resultant sea-level rise is dominated by contributions from Alaska. Plateau icefields may be especially sensitive to climate change due to the non-linear controls their topography imparts on their response to climate change. However, Alaskan plateau icefields have...
Sandhill crane colt survival in Minnesota
William J. Severud, David Wolfson, John Fieberg, David E. Andersen
2022, Journal of Fish and Wildlife Management (13) 494-501
Age-structured population models require reliable estimates of cohort-specific survival rates, yet vital rates of younger age classes are often difficult to estimate because of the logistical challenges of monitoring young animals. As part of a study of sandhill cranes Antigone canadensis in the zone of contact between breeding distributions of the Eastern...
Ecological and social strategies for managing fisheries using the Resist-Accept-Direct (RAD) framework
Abigail Lynch, Frank J. Rahel, Douglas Limpinsel, Suresh Sethi, Agustin C. Engman, David J. Lawrence, Katherine E. Mills, Wendy Morrison, Jay O. Peterson, Mark T. Porath
2022, Fisheries Management and Ecology (29) 329-345
Fisheries management is a complex task made even more challenging by rapid and unprecedented socioecological transformations associated with climate change. The Resist-Accept-Direct (RAD) framework can be a useful tool to support fisheries management in facing the high uncertainty and variability associated with aquatic ecosystem transformations. Here, RAD strategies are presented...
Biogeochemical and ecosystem properties in three adjacent semiarid grasslands are resistant to nitrogen deposition but sensitive to edaphic variability
Brooke Bossert Osborne, Carla M Roybal, Robin H. Reibold, Christopher D Collier, Erika L. Geiger, Michala Lee Phillips, Michael N Weintraub, Sasha C. Reed
2022, Journal of Ecology (110) 1615-1631
Drylands have low nitrogen stocks and are predicted to be sensitive to modest increases in reactive nitrogen availability, but direct evidence that atmospheric nitrogen deposition will have sustained effects on dryland ecosystems is sparse and conflicting.We used three long-running in situ nitrogen deposition simulation experiments and a complementary laboratory incubation experiment...
Neuroendocrine regulation of plasma cortisol levels during smoltification and seawater acclimation of Atlantic salmon
Brett M Culbert, Amy M. Regish, Daniel J Hall, Stephen D. McCormick, Nicholas J. Bernier
2022, Frontiers in Endocrinology (13)
Diadromous fishes undergo dramatic changes in osmoregulatory capacity in preparation for migration between freshwater and seawater. One of the primary hormones involved in coordinating these changes is the glucocorticoid hormone, cortisol. In Atlantic salmon (Salmo salar), cortisol levels increase during the spring smoltification period prior to seawater migration; however, the...
Deep-ocean polymetallic nodules and cobalt-rich ferromanganese crusts in the global ocean: New sources for critical metals
James R. Hein, Kira Mizell
2022, Book chapter, The United Nations convention on the law of the sea, part XI regime and the international seabed authority: A twenty-five year journey
The transition from a global hydrocarbon economy to a green energy economy and the rapidly growing middle class in developing countries are driving the need for considerable new sources of critical materials. Deep-ocean minerals, namely cobalt-rich ferromanganese crusts and polymetallic nodules, are two such new resources generating interest.Polymetallic nodules are...
Trade-offs between utility-scale solar development and ungulates on western rangelands
Hall Sawyer, Nicole M. Korfanta, Matthew Kauffman, Benjamin Seward Robb, Andrew C. Telander, Todd Mattson
2022, Frontiers in Ecology and Environment (20) 345-351
Utility-scale solar energy (USSE) has become an efficient and cost-effective form of renewable energy, with an expanding footprint into rangelands that provide important habitat for many wild ungulate populations. Using global positioning system data collected before and after construction, we documented the potential impacts of...
